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Finding the Fourth Proportional to 77,863.52, 116,828.76 and 25,289.12

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Solution

The fourth proportional to 77,863.52, 116,828.76 and 25,289.12 is: 37,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,863.52 : 116,828.76 = 25,289.12 : x
  2. Step 2: Convert to fraction form
    77,863.52/116,828.76 = 25,289.12/x
  3. Step 3: Cross multiply
    77,863.52x = 116,828.76 × 25,289.12
  4. Step 4: Simplify right side
    77,863.52x = 2,954,496,531.09
  5. Step 5: Solve for x
    x = 2,954,496,531.09/77,863.52
  6. Step 6: Final answer
    x = 37,944.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.